From: Eli Zaretskii <eliz@gnu.org>
To: "Clément Pit--Claudel" <clement.pit@gmail.com>
Cc: 24064-done@debbugs.gnu.org, npostavs@users.sourceforge.net
Subject: bug#24064: 24.5; NULL pointer dereference in compute_motion(), indent.c
Date: Tue, 26 Jul 2016 18:35:07 +0300 [thread overview]
Message-ID: <8337mwtntg.fsf@gnu.org> (raw)
In-Reply-To: <b8c76228-0216-3950-1f59-f7f43310bb49@gmail.com> (message from Clément Pit--Claudel on Mon, 25 Jul 2016 22:49:35 -0400)
> From: Clément Pit--Claudel <clement.pit@gmail.com>
> Date: Mon, 25 Jul 2016 22:49:35 -0400
> Cc: 24064@debbugs.gnu.org
>
> >>> I've prepared an elisp file to reproduce a crash:
> >>>
> >>> 1) Open it and move cursor to the end of the file
> >>> 2) Execute eval-buffer
> >>> 3) Press C-l several times
> >>
> >> Running this recipe does not cause a crash for me in GNU Emacs 25.1.50.7 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2016-07-20. Am I missing something?
> >
> > It crashes for me on 24.5, but not on 25.0.95. Perhaps it was fixed?
>
> Indeed, same here. Crashes on 24.5, but not 25.
C-l (a.k.a. "recenter") no longer calls compute_motion in Emacs 25, so
to trigger the segfault, the recipe should be changed like this:
1) Open it and move cursor to the end of the file
2) Execute eval-buffer
3) Type "M-x set-variable RET scroll-preserve-screen-position RET t RET"
4) Type "C-u 1 C-v"
In addition, the above should be done on a TTY frame.
This 22-year old bug is now fixed on the master branch.
Thanks.
next prev parent reply other threads:[~2016-07-26 15:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-24 23:51 bug#24064: 24.5; NULL pointer dereference in compute_motion(), indent.c Sergei Litvin
2016-07-25 16:24 ` Eli Zaretskii
2016-07-25 22:02 ` Sergei Litvin
2016-07-25 22:37 ` Clément Pit--Claudel
2016-07-26 2:33 ` npostavs
2016-07-26 2:49 ` Clément Pit--Claudel
2016-07-26 15:35 ` Eli Zaretskii [this message]
2016-07-26 16:04 ` Clément Pit--Claudel
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